Invasive disease due to Salmonella virchow: a North Queensland problem

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Abstract
Salmonella virchow is the second most commonly isolated salmonella serotype from human sources in Australia, and overseas studies indicate that S. virchow is a significant cause of extraintestinal salmonellosis. The successful management of three infants, two with septicaemia and one with leptomeningitis and septicaemia due to S. virchow, is described. A review of the Townsville General Hospital laboratory records (1978‐1988) showed that, among other aspects, S. virchow accounted for 46% of all salmonella septicaemias, further exemplifying the invasive propensity of this serotype. Information obtained from various sources, after crude analyses, demonstrates that more than 90% of S. virchow infections in humans in Australia occur in Queensland, and that most (greater than 78% in 1987) of those infections in Queensland come from a coastal zone north of Bundaberg, with the highest concentration (0.4 per 1000 persons) occurring in the Cairns region.